use serde::{Deserialize, Serialize};

use crate::{consts::MINUTE, models::CtxData, utils::Extract, Context, Error};

#[derive(Serialize, Deserialize, Extract)]
pub struct Options {
    minutes: Option<i64>,
    seconds: Option<i64>,
}

pub async fn nudge(ctx: Context<'_>, options: Options) -> Result<(), Error> {
    let combined_time =
        options.minutes.map_or(0, |m| m * MINUTE as i64) + options.seconds.map_or(0, |s| s);

    if combined_time < i16::MIN as i64 || combined_time > i16::MAX as i64 {
        ctx.say("Nudge times must be less than 500 minutes").await?;
    } else {
        let mut channel_data = ctx.channel_data().await.unwrap();

        channel_data.nudge = combined_time as i16;
        channel_data.commit_changes(&ctx.data().database).await;

        ctx.say(format!("Future reminders will be nudged by {} seconds", combined_time)).await?;
    }

    Ok(())
}

/// Nudge all future reminders on this channel by a certain amount (don't use for DST! See `/offset`)
#[poise::command(slash_command, rename = "nudge", default_member_permissions = "MANAGE_GUILD")]
pub async fn command(
    ctx: Context<'_>,
    #[description = "Number of minutes to nudge new reminders by"] minutes: Option<i64>,
    #[description = "Number of seconds to nudge new reminders by"] seconds: Option<i64>,
) -> Result<(), Error> {
    nudge(ctx, Options { minutes, seconds }).await
}